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Welcome to our M4 traffic search page.

The traffic news and updates for the M4 motorway are updated by the minute during the day and overnight to help you find the latest M4 traffic news for today.

We feature M4 traffic news relevant to today, current M4 traffic reports and updates.

Information about M4 roadworks.

Information about the latest congestion on the M4 that could delay your journey down the M4 motorway.

M4 accidents, incidents and other delays.

Thank you for using M4Traffic.co.uk we do our best to feature the latest M4 motorway news to help you avoid the congestion and delays using the M4.

Come regularly to see our latest M4 updates!

46 M4 Traffic News Updates

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m4 traffic news updateM4 westbound between J16 and J17 | Westbound | Accident
Mon, 27 Apr 2026 18:23:06 GMT

M4 Current Traffic Incidents

Location : The M4 westbound between junctions J16 and J17 . Lane Closures : The hard shoulder and lane 1 are closed. Reason : Accident involving a vehicle that has left the carriageway. Status : Currently Active. Time To Clear : The event is expected to clear between 20:45 and 21:00 on 27 April 2026. Return To Normal : Normal traffic conditions are expected between 20:45 and 21:00 on 27 April 2026. Lanes Closed : There is one of three lanes closed.
 
m4 traffic news updateM4 J4 eastbound exit | Eastbound | Broken down vehicle
Mon, 27 Apr 2026 17:38:36 GMT

M4 Current Traffic Incidents

Location : The M4 eastbound exit slip at junction J4 . Lane Closures : The hard shoulder and lane 1 are closed. Reason : Broken down vehicle. Status : Currently Active. Time To Clear : The event is expected to clear between 19:15 and 19:30 on 27 April 2026. Lanes Closed : There is one of three lanes closed.
 
m4 traffic news updateM4 J8 westbound exit | Westbound | Congestion
Mon, 27 Apr 2026 16:58:36 GMT

M4 Current Traffic Incidents

Location : The M4 westbound exit slip at junction J8 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 18:00 and 18:15 on 27 April 2026. Delay : There are currently delays of 10 minutes against expected traffic.
 
m4 traffic news updateM4 J17 eastbound exit | Eastbound | Congestion
Mon, 27 Apr 2026 16:57:35 GMT

M4 Current Traffic Incidents

Location : The M4 eastbound between junctions J18 and J17 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 18:00 and 18:15 on 27 April 2026. Delay : There are currently delays of 1 hour against expected traffic.
 
m4 traffic news updateM4 J19 westbound exit | Westbound | Congestion
Mon, 27 Apr 2026 16:15:31 GMT

M4 Current Traffic Incidents

Location : The M4 westbound exit slip at junction J19 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 17:15 and 17:30 on 27 April 2026. Delay : There are currently delays of 10 minutes against expected traffic.
 
m4 traffic news updateM4 westbound between J19 and J20 | Westbound | Broken down vehicle
Mon, 27 Apr 2026 16:05:24 GMT

M4 Current Traffic Incidents

Location : The M4 westbound between junctions J19 and J20 . Lane Closures : The hard shoulder and lane 1 are closed. Reason : Broken down vehicle. Status : Currently Active. Time To Clear : The event is expected to clear between 17:45 and 18:00 on 27 April 2026. Lanes Closed : There is one of three lanes closed.
 
m4 traffic news updateM4 J18 eastbound exit | Eastbound | Congestion
Mon, 27 Apr 2026 16:04:45 GMT

M4 Current Traffic Incidents

Location : The M4 eastbound exit slip at junction J18 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 27 April 2026. Delay : There are currently delays of 10 minutes against expected traffic.
 
m4 traffic news updateM4 J16 westbound exit | Westbound | Congestion
Mon, 27 Apr 2026 15:37:27 GMT

M4 Current Traffic Incidents

Location : The M4 westbound between junctions J15 and J16 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 17:30 and 17:45 on 27 April 2026. Cause : Accident involving a vehicle that has left the carriageway. Delay : There are currently delays of 1 hour against expected traffic.
 
m4 traffic news updateM4 J17 eastbound access | Eastbound | RoadOrCarriagewayOrLaneManagement
Mon, 27 Apr 2026 15:33:12 GMT

M4 Current Traffic Incidents

Location : The M4 eastbound entry slip at junction J17 . Reason : Road Management. Status : Currently Active. Time To Clear : The event is expected to clear between 17:45 and 18:00 on 27 April 2026. Return To Normal : Normal traffic conditions are expected between 17:45 and 18:00 on 27 April 2026. Lanes Closed : All lanes are closed.
 
m4 traffic news updateM4 J19 westbound exit | Westbound | Congestion
Mon, 27 Apr 2026 15:31:53 GMT

M4 Current Traffic Incidents

Location : The M4 westbound exit slip at junction J19 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 16:30 and 16:45 on 27 April 2026. Delay : There are currently delays of 10 minutes against expected traffic.
 
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